Family Planning Welfare Center Establishment. International Journal of Development Mathematics (IJDM), [S. l.], v. 2, n. 3, p. 259–270, 2025. DOI: 10.62054/ijdm/0203.18. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/209.. Acesso em: 5 jun. 2026.